EPSON Stylus Photo R300/R310 Revision A
TROUBLESHOOTING Unit Level Troubleshooting 18
Table 1-7. Check Points for Paper Jam Error to Each Phenomenon
Occurrence
Timing
Position of CR Phenomenon Detail Faulty Part/
Part Name Check Point Remedy
At power-on
Anywhere
"PF Motor" does not work at all. PF Motor
1. Check if "PF Motor Connector Cable" is connected to
CN9 on "Main Board".
2. Check if the coil resistance of "PF Motor" is
approximately 3.0Ω with a tester. Refer to Table 1-1.
3. Check if "PF Motor Connector Cable" is damaged.
1. Connect "PF Motor Connector Cable" to CN9
on "Main Board".
2. Replace "PF Motor" with a new one.
3. Replace "PF Motor" with a new one.
Paper feeding operation is performed
normally, but paper is not sent into the
printer.
ASF Assy.
1. Check if "Roller, Retard Assy." operates properly while
feeding paper. 1. Reassemble "Extension Spring, 0.45" located
the under side of "Roller, Retard Assy.".
PE Sensor
1. Check if "Torsion Spring, 0.22" is not unfastened from
"PE Sensor Lever".
2. Check if "PE Sensor Cable" is not unfastened.
3. Check if "PE Sensor Cable" is correctly mounted on
"Holder, Shaft, LD Roller".
4. Check if "PE Sensor Cable" is not damaged.
1. Reassemble "Torsion Spring, 0.22"
2. Connect "PE Sensor" Connector to CN4 on
"Main Board".
3. Remount "PE Sensor Cable" correctly.
4. Replace "PE Sensor" with a new one.
Extension
Spring, 0.45
Torsion Spring, 0.22